app.py

import gradio as gr

def ping(name: str):
    return f"Smoke app is running, {name or 'friend'}"

with gr.Blocks(title="Smoke Test") as demo:
    gr.Markdown("# Smoke test app")
    inp = gr.Textbox(label="Name")
    out = gr.Textbox(label="Output")
    btn = gr.Button("Run")
    btn.click(fn=ping, inputs=inp, outputs=out)

if __name__ == "__main__":
    demo.launch(server_name="0.0.0.0", server_port=7860)